Windows error 8464 (ERROR_DS_DRA_INCOMPATIBLE_PARTIAL

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: ERROR_DS_DRA_INCOMPATIBLE_PARTIAL_SET synchronization attempt failed because the destination DC is currently waiting to synchronize new partial attributes.

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ERROR_DS_DRA_SHUTDOWN	ERROR_DS_DRA_SOURCE_IS_PARTIAL_REPLICA

ERROR_DS_DRA_INCOMPATIBLE_PARTIAL_SET

ERROR_DS_DRA_INCOMPATIBLE_PARTIAL_SET (8464) is an Active Directory replication error. This status often occurs after a schema change modifies the partial attribute set. Microsoft documents it as normal while the destination is synchronizing the new set, but it should not persist indefinitely.

What to check

Confirm whether a recent schema change added or modified attributes that replicate to global catalog or partial replicas.
Check schema-partition replication first, then monitor the destination for completion instead of forcing arbitrary connections.
Investigate only if the condition persists or appears with schema replication failures on one or more partners.

Useful command

repadmin /showrepl <DestinationDC> /all /verbose

Microsoft: Troubleshoot AD replication error 8464 · Microsoft: Repadmin /showrepl · Microsoft: Diagnose AD replication failures

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